Gene Transfer in Plants
In a plant tumour cell

only a small specific segment of callus T DNA is incorporated
different parts of the Ti-plasmid are incorporated
may vary from plant to plant
complete Ti plasmid is incorporated in plant nuclear DNA

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Gene Transfer in Plants
Crown gall tissue

both (a) and (b)
can be cultivated in vitro in absence of bacteria
shows tumorous properties only in presence of bacteria
retains tumorous properties when cultivated

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Gene Transfer in Plants
Opines are

amino acid derivatives found in normal tissues
amino acid derivatives found in both normal as well as tumor tissues
amino acid derivatives found in tumor tissues
None of these

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